Pronunciation: (drōm), [key]
a department in SE France. 361,847; 2533 sq. mi. (6560 sq. km). Cap.: Valence.
a combining form meaning “running,” “course,” “racecourse” (hippodrome); on this model used to form words referring to other large structures (airdrome).
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.